261118341220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5303}}^1\times {\mathrm{20347}}^1$

素因数の和:25681

約数の個数: 72

約数和(自身を含む): 602873474112

約数和(自身を除く): 341755132892

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 5303, 10606, 20347, 21212, 26515, 40694, 53030, 58333, 81388, 101735, 106060, 116666, 203470, 223817, 233332, 291665, 406940, 447634, 583330, 641663, 895268, 1119085, 1166660, 1283326, 2238170, 2461987, 2566652, 3208315, 4476340, 4923974, 6416630, 9847948, 12309935, 12833260, 24619870, 49239740, 107900141, 215800282, 431600564, 539500705, 1079001410, 1186901551, 2158002820, 2373803102, 4747606204, 5934507755, 11869015510, 13055917061, 23738031020, 26111834122, 52223668244, 65279585305, 130559170610, 261118341220]

約数ペア:

[(1, 261118341220), (2, 130559170610), (4, 65279585305), (5, 52223668244), (10, 26111834122), (11, 23738031020), (20, 13055917061), (22, 11869015510), (44, 5934507755), (55, 4747606204), (110, 2373803102), (121, 2158002820), (220, 1186901551), (242, 1079001410), (484, 539500705), (605, 431600564), (1210, 215800282), (2420, 107900141), (5303, 49239740), (10606, 24619870), (20347, 12833260), (21212, 12309935), (26515, 9847948), (40694, 6416630), (53030, 4923974), (58333, 4476340), (81388, 3208315), (101735, 2566652), (106060, 2461987), (116666, 2238170), (203470, 1283326), (223817, 1166660), (233332, 1119085), (291665, 895268), (406940, 641663), (447634, 583330)]